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authorNathan Binkert <nate@binkert.org>2010-03-23 16:31:47 -0700
committerNathan Binkert <nate@binkert.org>2010-03-23 16:31:47 -0700
commitd2eb58967562d04044a5977787a312e9b259b9b7 (patch)
tree4f321a397f3b6159d90dea5da666fcad2adc6deb
parentf066bfc2f5944353ea11fd4c6853179c4ea1af78 (diff)
downloadgem5-d2eb58967562d04044a5977787a312e9b259b9b7.tar.xz
regress: add some new options
add -n/--no-exec which doesn't execute scons, but just prints the command line add -j0 which tries to calculate how many cpus you have add -D/--build-dir to specify a build directory other than ./build
-rwxr-xr-xutil/regress78
1 files changed, 50 insertions, 28 deletions
diff --git a/util/regress b/util/regress
index 1d0b9049a..a74bd09c3 100755
--- a/util/regress
+++ b/util/regress
@@ -36,28 +36,29 @@ from subprocess import call
progname = os.path.basename(sys.argv[0])
optparser = optparse.OptionParser()
-optparser.add_option('-v', '--verbose', dest='verbose', action='store_true',
- default=False,
- help='echo commands before executing')
-optparser.add_option('--builds', dest='builds',
- default='ALPHA_SE,ALPHA_SE_MOESI_hammer,' \
- 'ALPHA_SE_MESI_CMP_directory,' \
- 'ALPHA_SE_MOESI_CMP_directory,' \
- 'ALPHA_SE_MOESI_CMP_token,' \
- 'ALPHA_FS,MIPS_SE,' \
- 'POWER_SE,SPARC_SE,SPARC_FS,X86_SE,ARM_SE',
- help='comma-separated list of build targets to test '
- " (default: '%default')" )
-optparser.add_option('--variants', dest='variants',
- default='fast',
- help='comma-separated list of build variants to test '
- " (default: '%default')" )
-optparser.add_option('--scons-opts', dest='scons_opts', default='',
- help='scons options', metavar='OPTS')
-optparser.add_option('-j', '--jobs', type='int', default=1,
- help='number of parallel jobs to use')
-optparser.add_option('-k', '--keep-going', action='store_true',
- help='keep going after errors')
+add_option = optparser.add_option
+add_option('-v', '--verbose', dest='verbose', action='store_true',
+ default=False,
+ help='echo commands before executing')
+add_option('--builds', dest='builds',
+ default='ALPHA_SE,ALPHA_SE_MOESI_hammer,' \
+ 'ALPHA_SE_MESI_CMP_directory,' \
+ 'ALPHA_SE_MOESI_CMP_directory,' \
+ 'ALPHA_SE_MOESI_CMP_token,' \
+ 'ALPHA_FS,MIPS_SE,POWER_SE,SPARC_SE,SPARC_FS,X86_SE,ARM_SE',
+ help="comma-separated build targets to test (default: '%default')")
+add_option('--variants', dest='variants', default='fast',
+ help="comma-separated build variants to test (default: '%default')")
+add_option('--scons-opts', dest='scons_opts', default='', metavar='OPTS',
+ help='scons options')
+add_option('-j', '--jobs', type='int', default=1,
+ help='number of parallel jobs to use')
+add_option('-k', '--keep-going', action='store_true',
+ help='keep going after errors')
+add_option('-D', '--build-dir', default='',
+ help='build directory location')
+add_option('-n', "--no-exec", default=False, action='store_true',
+ help="don't actually invoke scons, just echo SCons command line")
(options, tests) = optparser.parse_args()
@@ -66,6 +67,8 @@ optparser.add_option('-k', '--keep-going', action='store_true',
builds = options.builds.split(',')
variants = options.variants.split(',')
+options.build_dir = os.path.join(options.build_dir, 'build')
+
# Call os.system() and raise exception if return status is non-zero
def system(cmd):
try:
@@ -91,11 +94,11 @@ def shellquote(s):
if not tests:
print "No tests specified, just building binaries."
- targets = ['build/%s/m5.%s' % (build, variant)
+ targets = ['%s/%s/m5.%s' % (options.build_dir, build, variant)
for build in builds
for variant in variants]
elif 'all' in tests:
- targets = ['build/%s/tests/%s' % (build, variant)
+ targets = ['%s/%s/tests/%s' % (options.build_dir, build, variant)
for build in builds
for variant in variants]
else:
@@ -103,17 +106,36 @@ else:
# If we ever get a quick SPARC_FS test, this code should be removed
if 'quick' in tests and 'SPARC_FS' in builds:
builds.remove('SPARC_FS')
- targets = ['build/%s/tests/%s/%s' % (build, variant, test)
+ targets = ['%s/%s/tests/%s/%s' % (options.build_dir, build, variant, test)
for build in builds
for variant in variants
for test in tests]
+def cpu_count():
+ if 'bsd' in sys.platform or sys.platform == 'darwin':
+ try:
+ return int(os.popen('sysctl -n hw.ncpu').read())
+ except ValueError:
+ pass
+ else:
+ try:
+ return os.sysconf('SC_NPROCESSORS_ONLN')
+ except (ValueError, OSError, AttributeError):
+ pass
+
+ raise NotImplementedError('cannot determine number of cpus')
+
scons_opts = options.scons_opts
if options.jobs != 1:
+ if options.jobs == 0:
+ options.jobs = cpu_count()
scons_opts += ' -j %d' % options.jobs
if options.keep_going:
scons_opts += ' -k'
-system('scons IGNORE_STYLE=True %s %s' % (scons_opts, ' '.join(targets)))
-
-sys.exit(0)
+cmd = 'scons IGNORE_STYLE=True %s %s' % (scons_opts, ' '.join(targets))
+if options.no_exec:
+ print cmd
+else:
+ system(cmd)
+ sys.exit(0)